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Exam (elaborations)

Block 2 Electrical Exam Questions And Answers With Verified Solutions Already Passed!!!

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  • EWRB
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  • EWRB

Block 2 Electrical Exam Questions And Answers With Verified Solutions Already Passed!!!

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  • October 17, 2024
  • 15
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • what are symbols used for
  • EWRB
  • EWRB
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Block 2 Electrical Exam Questions And
Answers With Verified Solutions Already
Passed!!!
Where would a electrician find information concerning the use of personal
protectove equipment? - ANSWER✔✔Occupatinal health and safety Act

When is an electrical permit obtained? - ANSWER✔✔Prior to beginning any
electrical work

Unless walls are solid rock what is the maximum height a trench may be before it
must be properly sloped, shored or protected by a trench box? - ANSWER✔✔1.5
meters according to occupational health and safety

How is a confined space determined? - ANSWER✔✔By its restricted means of
access and egress

What are symbols used for on a set of electrical plans? - ANSWER✔✔To
represent objects

What is the purpose of a legend on a set of electrical plans? - ANSWER✔✔To
explain the symbols used of then plans

What voltage range is a volt meter set for checking for the presence of voltage? -
ANSWER✔✔The highest voltage setting

What does NTS stand for on a set of electrical plans? - ANSWER✔✔"Not to
scale"

What is the minimum size conductor to be used for wiring luminaries? -
ANSWER✔✔# 18 awg

Why are adjacent HID fixtures connected to different phases? - ANSWER✔✔To
minimize stroboscopic effect

, Which type of light would work best in a situation where a store owner wants to
highlight the color red in the meat display cooler? - ANSWER✔✔Fluorescent
Cool White DELUXE/ Cool white if cool white deluxe ant there

What are the bands of colors ranging from violet through blue, green, yellow, and
orange to red referred to as? - ANSWER✔✔The color spectrum

Wiring for ceiling outlet boxes, in which luminaries are to be mounted, is being
installed. What is the correct temperature rating of the insulation of branch circuit
conductors? - ANSWER✔✔90 degrees

A light that is to be controlled from five locations is being installed. How many 3-
way and 4-way switches will be needed? - ANSWER✔✔Two 3-ways and three 4-
way switches

What is the maximum over current protection rating of pole-top circuits? -
ANSWER✔✔100A

What is the largest size over current device that can be used to protect fluorescent
luminaries in a single dwelling? - ANSWER✔✔15A

What is the maximum number of trip coils required for a three phase motor? -
ANSWER✔✔3, 1 per phase

What type of three phase motor has the ability to correct its own power factor any
the power factor of other devices connected to the same line? -
ANSWER✔✔Synchronous motor

How does the starting current of a split phase motor compare to its full load
current? - ANSWER✔✔It is much higher than the full load current

What is the maximum time delay fuse that can be used with a three phase motor of
the full load current? - ANSWER✔✔175% table 29 of the CEC

How can be (LRA) locked rotor current be described? - ANSWER✔✔It 6 times
the full load current because the rotor is not turning

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